Compilare: user.cpp: In function ‘int main()’: user.cpp:20:19: warning: variable ‘jos’ set but not used [-Wunused-but-set-variable] int n, x, y, i, jos, dr, st, sus, p, t ; ^ user.cpp:20:24: warning: variable ‘dr’ set but not used [-Wunused-but-set-variable] int n, x, y, i, jos, dr, st, sus, p, t ; ^ user.cpp:20:28: warning: variable ‘st’ set but not used [-Wunused-but-set-variable] int n, x, y, i, jos, dr, st, sus, p, t ; ^ user.cpp:20:32: warning: variable ‘sus’ set but not used [-Wunused-but-set-variable] int n, x, y, i, jos, dr, st, sus, p, t ; ^ user.cpp:22:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d%d%d%d", &p, &x, &y, &t, &n ) ; ^ user.cpp:25:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &l[i], &c[i] ) ; ^